City report · Bahia, Brazil
Porto Seguro Air quality today
Air quality in Porto Seguro currently reads AQI 9 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 9
Good
- PM2.5, fine particles (µg/m³)
- 1.6
- tree cover
- 53.6%
- trees in this area
- 90.9K
- more trees needed
- 0
Measured across a 2 km radius around Centro, Porto Seguro - BA, 45810-000, Brazil (12.57 km²), from a satellite image of Oct 11, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Porto Seguro · AQI 9 (Good)
Porto Seguro's tree count comes to 90,930 trees across 6.79 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Porto Seguro today: AQI 9, Good
Main pollutant: PM2.5 · Observed Nov 11, 04:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Air quality is satisfactory for everyone.
PM2.5
1.6
PM10
2.3
NO₂
0.9
O₃
54.0
SO₂
0.2
CO
104.0
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Porto Seguro's daily AQI at 34 on average, from 11 on Nov 11 to an hourly peak of 60 on Nov 9.
Where Porto Seguro stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Porto Seguro: Healthy tree cover
53.6% tree cover against a 30% healthy-neighborhood target, across 6.79 km² of land.
Trees in this area
90,930
Target trees
90,930
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Porto Seguro lost?
Since 2001, the area within 10 km of Porto Seguro has lost about 1,830 hectares of forest (about 2,600 football pitches): 16% of the forest it had in 2000. Most of it (85%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from August 2017 of a 5 × 5 km area about 6 km southwest of the city center.
- Forest lost since 2001
- 1,830 haabout 2,600 football pitches
- Share of its forest
- 16%of what there was in 2000
- Cleared for good
- 1,550 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 51 hectares a year in 2021–2025, down from 116 hectares a year in 2016–2020. The worst year was 2016, when about 293 hectares of forest were lost.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 47 ha | 1 ha | 48 ha |
| 2002 | 64 ha | 2 ha | 66 ha |
| 2003 | 31 ha | 3 ha | 35 ha |
| 2004 | 106 ha | 1 ha | 107 ha |
| 2005 | 32 ha | 1 ha | 33 ha |
| 2006 | 46 ha | under 1 ha | 47 ha |
| 2007 | 79 ha | 4 ha | 82 ha |
| 2008 | 101 ha | 4 ha | 105 ha |
| 2009 | 79 ha | 1 ha | 80 ha |
| 2010 | 22 ha | 3 ha | 25 ha |
| 2011 | 38 ha | 2 ha | 40 ha |
| 2012 | 114 ha | 2 ha | 116 ha |
| 2013 | 63 ha | under 1 ha | 64 ha |
| 2014 | 59 ha | 1 ha | 60 ha |
| 2015 | 76 ha | 4 ha | 81 ha |
| 2016 | 179 ha | 114 ha | 293 ha |
| 2017 | 129 ha | 3 ha | 132 ha |
| 2018 | 41 ha | 7 ha | 48 ha |
| 2019 | 30 ha | 18 ha | 47 ha |
| 2020 | 58 ha | 3 ha | 61 ha |
| 2021 | 20 ha | 13 ha | 34 ha |
| 2022 | 28 ha | 5 ha | 33 ha |
| 2023 | 40 ha | 8 ha | 47 ha |
| 2024 | 46 ha | 75 ha | 121 ha |
| 2025 | 20 ha | 2 ha | 22 ha |
What is causing deforestation around Porto Seguro?
- Towns and roadscleared for good54% · 992 ha
- Farms, pasture and plantationscleared for good30% · 555 ha
- Wildfirescan grow back11% · 194 ha
Also: storms, floods and other natural causes, shifting farming, logging, unknown causes.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Forest gained and lost, 2000–2020
- Forest in 2000
- 10,000 ha
- Forest in 2020
- 9,430 ha
- Overall change
- −604 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Porto Seguro shrank from about 10,000 hectares to 9,430 hectares, a net loss of about 604 hectares (−6%). New forest grew on about 371 hectares, but 975 hectares were lost.
These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.
These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.
Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured
In the same region
Measured cities near Porto Seguro
Same 2 km radius, same index — so they compare directly.
- Eunápolis55.6 km
Brazil
- Tree cover
- 21%
- Air quality
- 35
- Teixeira de Freitas140.5 km
Brazil
- Tree cover
- 15%
- Air quality
- 11
- Ilhéus183.6 km
Brazil
- Tree cover
- 28%
- Air quality
- 11
- Itabuna186.5 km
Brazil
- Tree cover
- 31%
- Air quality
- 12
- Vitória da Conquista259.1 km
Brazil
- Tree cover
- 13%
- Air quality
- 5
- São Mateus266.1 km
Brazil
- Tree cover
- 32%
- Air quality
- 5
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Frequently asked
Questions about Porto Seguro
What is the air quality (AQI) in Porto Seguro right now?
The latest reading for Porto Seguro shows an AQI of 9 (Good), observed Nov 11, 04:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Porto Seguro today?
At AQI 9 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Porto Seguro been like this week?
Over the last 7 days, the CAMS air-quality model put Porto Seguro's daily AQI at 34 on average, from 11 on Nov 11 to an hourly peak of 60 on Nov 9. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Porto Seguro lost since 2001?
Since 2001, the area within 10 km of Porto Seguro has lost about 1,830 hectares of forest (about 2,600 football pitches): 16% of the forest it had in 2000. Most of it (85%) was deforestation, forest cleared for good, mainly for towns and roads. Forest loss is slowing down: about 51 hectares a year in 2021–2025, down from 116 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Porto Seguro shrank from about 10,000 hectares to 9,430 hectares, a net loss of about 604 hectares (−6%). New forest grew on about 371 hectares, but 975 hectares were lost.
What is the tree count in Porto Seguro?
Porto Seguro has an estimated 90,930 trees across the 6.79 km² of land measured — 53.6% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Porto Seguro need?
Porto Seguro has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Porto Seguro's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around Centro; the tree count is an estimate derived from that cover.
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